Azoles as Suzuki Cross-Coupling Leaving Groups:  Syntheses of 6-Arylpurine 2‘-Deoxynucleosides and Nucleosides from 6-(Imidazol-1-yl)- and 6-(1,2,4-Triazol-4-yl)purine Derivatives<sup>1</sup>
                                
                                    
                                        作者:Jiangqiong Liu、Morris J. Robins                                    
                                    
                                        DOI:10.1021/ol048490d
                                    
                                    
                                        日期:2004.9.1
                                    
                                    [reaction: see text] 6-(Imidazol-1-yl)-, 6-(benzimidazol-1-yl)-, and 6-(1,2,4-triazol-4-yl)purine nucleosides undergo a nickel-mediated C-C cross-coupling of azole-substituted purine derivatives with arylboronic acids to give good yields of 6-arylpurine nucleosides.
                                    [反应:请参阅文字] 6-(
咪唑-1-基)-,6-(
苯并咪唑-1-基)-和6-(
1,2,4-三唑-4-基)
嘌呤核苷经历了
镍-介导的
吡咯取代的
嘌呤衍
生物与芳基
硼酸的CC交叉偶联,可得到6芳基
嘌呤核苷的良好收率。